/* RESP Portfolio Tracker - Styles */

:root {
    --primary-color: #3b82f6;
    --positive-color: #22c55e;
    --negative-color: #ef4444;
    --background: #0f172a;
    --card-background: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4);
}

[data-theme="light"] {
    --primary-color: #2563eb;
    --positive-color: #16a34a;
    --negative-color: #dc2626;
    --background: #f8fafc;
    --card-background: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 12px;
}

/* Header */
.header {
    margin-bottom: 20px;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
    border-radius: 12px;
    color: white;
    box-shadow: var(--shadow-lg);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.header h1 {
    font-size: 1.5rem;
    margin-bottom: 2px;
    font-weight: 700;
}

.subtitle {
    font-size: 0.875rem;
    opacity: 0.9;
}

.last-updated {
    font-size: 0.75rem;
    opacity: 0.7;
    text-align: center;
}

.theme-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    color: white;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.95);
}

/* Account Tabs */
.account-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    overflow-x: auto;
    padding: 4px;
}

.account-tab {
    background: var(--card-background);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.account-tab:hover {
    background: var(--background);
    border-color: var(--primary-color);
}

.account-tab.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Summary Cards */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.card {
    background: var(--card-background);
    border-radius: 10px;
    padding: 14px 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.card-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.card-sublabel {
    font-size: 0.9rem;
    font-weight: 600;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 60px 20px;
}

.spinner {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Error State */
.error {
    background: #fee2e2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    color: #991b1b;
}

/* Holdings Section */
.holdings-section {
    background: var(--card-background);
    border-radius: 12px;
    padding: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.holdings-section h2 {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.table-container {
    overflow-x: auto;
}

.holdings-table {
    width: 100%;
    border-collapse: collapse;
}

.holdings-table thead {
    background: var(--background);
}

.holdings-table th {
    padding: 12px;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
}

.holdings-table td {
    padding: 16px 12px;
    border-bottom: 1px solid var(--border-color);
}

.holdings-table tbody tr:hover {
    background: var(--background);
}

.holdings-table tbody tr:last-child td {
    border-bottom: none;
}

.holdings-table small {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.text-right {
    text-align: right;
}

/* Sticky Column */
.sticky-col {
    position: sticky;
    left: 0;
    background: var(--card-background);
    z-index: 10;
    box-shadow: 2px 0 4px rgba(0, 0, 0, 0.05);
}

.holdings-table thead .sticky-col {
    background: var(--background);
}

.holdings-table tbody tr:hover .sticky-col {
    background: var(--background);
}

/* Positive/Negative Values */
.positive {
    color: var(--positive-color);
}

.negative {
    color: var(--negative-color);
}

/* Login Gate */
.login-gate {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 50vh;
    padding: 40px 20px;
}

.login-card {
    background: var(--card-background);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    max-width: 400px;
    width: 100%;
}

.login-card h2 {
    margin-bottom: 16px;
    color: var(--text-primary);
}

.login-card p {
    margin-bottom: 24px;
    color: var(--text-secondary);
}

.login-card form {
    width: 100%;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
    width: 100%;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
    text-align: left;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--background);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--card-background);
}

.auth-error {
    background: #fee2e2;
    color: #991b1b;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 0.9rem;
    border: 1px solid #fecaca;
}

.auth-success {
    background: #d1fae5;
    color: #065f46;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 0.9rem;
    border: 1px solid #a7f3d0;
}

.auth-toggle {
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.auth-toggle a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.auth-toggle a:hover {
    text-decoration: underline;
}

.login-button {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 32px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.login-button:active {
    transform: translateY(0);
}

/* Footer */
.footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 40px 20px 20px;
}

.footer p {
    margin-bottom: 8px;
}

/* Responsive Design - Mobile */
@media (max-width: 768px) {
    .container {
        padding: 8px;
    }

    .header {
        padding: 12px 15px;
        margin-bottom: 15px;
    }

    .header h1 {
        font-size: 1.1rem;
    }

    .subtitle {
        font-size: 0.75rem;
    }

    .last-updated {
        font-size: 0.7rem;
    }

    .theme-toggle {
        padding: 6px 10px;
        font-size: 1rem;
    }

    .summary-cards {
        gap: 10px;
        margin-bottom: 15px;
    }

    .card {
        padding: 10px 12px;
    }

    .card-label {
        font-size: 0.7rem;
        margin-bottom: 3px;
    }

    .card-value {
        font-size: 1.15rem;
        margin-bottom: 2px;
    }

    .card-sublabel {
        font-size: 0.8rem;
    }

    .holdings-section {
        padding: 12px;
        margin-bottom: 15px;
    }

    .holdings-section h2 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }

    .holdings-table {
        font-size: 0.85rem;
    }

    .holdings-table th,
    .holdings-table td {
        padding: 10px 8px;
    }

    /* Hide Avg Cost column on mobile to save space */
    .holdings-table th:nth-child(4),
    .holdings-table td:nth-child(4) {
        display: none;
    }

    /* Ensure sticky column has min-width on mobile */
    .sticky-col {
        min-width: 60px;
    }

    .footer {
        font-size: 0.8rem;
        padding: 30px 15px 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 6px;
    }

    .header {
        padding: 10px 12px;
    }

    .header h1 {
        font-size: 1rem;
    }

    .summary-cards {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .card {
        padding: 8px 10px;
    }

    .card-label {
        font-size: 0.65rem;
    }

    .card-value {
        font-size: 1rem;
    }

    .card-sublabel {
        font-size: 0.75rem;
    }

    .holdings-section {
        padding: 10px;
    }

    /* Hide Name column on very small screens - ticker sticky column is enough */
    .holdings-table th:nth-child(2),
    .holdings-table td:nth-child(2) {
        display: none;
    }

    /* Make table font smaller on tiny screens */
    .holdings-table {
        font-size: 0.75rem;
    }

    .footer {
        font-size: 0.75rem;
        padding: 25px 10px 10px;
    }
}